//#include <stdio.h>
//int main()
//{
//	int m=10;
//	double n=3.14;
//	void *p,*q;
//	p=(void*)&m;
//	printf("%d %d\n",m,*(int*)p);
//	q=(double*)&n;
//	return 0;
//}

#include <stdio.h>
typedef struct Stu {
	int data;
	struct Stu* arr;
}pupil;

int main()
{
	pupil student1,student2;
	pupil* Stu=&student1;
	scanf("%d",&Stu->data);
	Stu->arr=NULL;
//	student1.data=1;
//	student2.data=2;
//	student1.arr=&student2;
	student2=student1;
	printf("%d",student2.data);
	
	return 0;
}
